<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>login表单模拟post提交</title>
</head>
<body>
    <form action="/day14/demo3" method="post">
        <input name="username">
        <input type="submit" value="提交">
    </form>
<hr>
<a href="/day14/RequestDemo4">demo哪里来referer的演示。。。</a>
</body>
</html>